Activity monitoring device



FIG. 1 is a top perspective view of an embodiment of the activity monitoring device;

FIG. 2 is a bottom perspective view of the embodiment;

FIG. 3 is a top view of the embodiment;

FIG. 4 is a bottom view of the embodiment;

FIG. 5 is a right side view of the embodiment;

FIG. 6 is a left side view of the embodiment;

FIG. 7 is a back view of the embodiment; and,

FIG. 8 is a front view of the embodiment. 

CLAIM The ornamental design for an activity monitoring device, as shown and described. 